Pfizer Handbook of Microbial Metabolites 



136 



276 Oleandomycin (PA-105), Ca^.H^iOjoN, colorless prisms, m.p. 110' 

 (dec), [a]i)"^ —65° (c 1 in methanol). 



Oleandrose 



CH3 CHa 



Streptomyces antibioticus 



B. A. Sobin, A. R. English and W. D. Celmer, 'Antibiotics 

 Annual 1954-1955," Medical Encyclopedia, Inc., New York, 

 p. 827. 



W. D. Celmer, H. Els and K. Murai, "Antibiotics Annual 

 1957-1958," Medical Encyclopedia, Inc., New York, p. 476. 



Hans Els, Walter D. Celmer and Kotaro Murai, J. Am. 

 Chem. Soc. 80 3777 (1958). 



W. D. Celmer, "Antibiotics Annual 1958-1959," Medical 

 Encyclopedia, Inc., New York, p. 277. (Biochemical correla- 

 tions ) 



F. A. Hochstein, H. Els, W. D. Celmer, B. L. Shapiro and 

 R. B. Woodward, /. Am. Chem. Soc. 82 3225 (1960). (Struc- 

 ture) 



277 Erythromycin C, C;^,;H,;-,0]3N, white needles, m.p. 121-125°. 



Erythromycin C differs from erythromycin only in the 

 neutral sugar moiety, so that the following partial struc- 

 ture can be written: 



Desosamine 



O O— C7H13O3 



OH CH3 



OH O O 

 OH 



CH3 CH3 CH3 



